The United States is 249 years old in 2025, turning 250 years old on July 4, 2026, if you count from the Declaration of Independence in 1776.

How that age is calculated

Most historians treat July 4, 1776—the adoption of the Declaration of Independence—as the United States’ “birthday.”

  • From July 4, 1776 to July 4, 2025 is 249 years.
  • On July 4, 2026, the U.S. will celebrate its 250th anniversary (the semiquincentennial).

Some scholars note that Congress actually voted for independence on July 2, 1776, and only approved the final wording of the Declaration on July 4, but July 4 became the traditional national date.

Other ways people talk about its “age”

There are a few alternative starting points people sometimes use:

  1. Constitution in force (1788–1789): Counting from when the current Constitution was ratified and the new federal government began, which would make the U.S. a bit younger.
  1. Earlier colonial history: Some writers remind us that peoples and colonies existed on this land long before 1776, including Indigenous nations and European colonies, but those are usually framed as “American history,” not the legal age of the United States as a country.

Still, for everyday use—news, school lessons, and official celebrations—people mean “how many years since 1776” when they ask “how old is the United States?”

Information gathered from public forums or data available on the internet and portrayed here.